Horn and Prism Antenna for Dual Range and Dual FOV Automotive Radar using 77-GHz Band

被引：0
|
作者：
Nagaishi, Hideyuki [1 ]
Kuriyama, Akira [1 ]
Kuroda, Hiroshi [2 ]
Kitayama, Akira [2 ]
机构：
[1] Hitachi Ltd, Res & Dev Grp, Ctr Technol Innovat Elect, Kokubunji, Tokyo 1858601, Japan
[2] Hitachi Automot Syst Ltd, Adv Dev Ctr, Hitachinaka, Ibaraki 3128503, Japan
来源：
2018 18TH INTERNATIONAL SYMPOSIUM ON ANTENNA TECHNOLOGY AND APPLIED ELECTROMAGNETICS (ANTEM 2018) | 2018年
关键词：
77-GHz dual range and dual field of view radar; horn and lens with prism antenna;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel antenna with a horn array was investigated for a dual range and dual field of view (FOV) automotive radar that uses the 77-GHz band. The structure of the antenna, composed of three types of horn, lens, and prism antennas with different directivities, produces a radiation pattern that had both a narrow FOV at a long-range detection and wide FOV at short-range detection. A fabricated antenna achieved an antenna gain of 21.5 dBi and a 3-dB beam-width of 22 degrees at boresight and an antenna gain of more than 15 dBi within an angle of 35 degrees in azimuth. The antenna had a matching band-width of 7 GHz, where the reflection co-efficient, S11, was below 10 dB.
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页数：2
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